The government should develop          system to predict when wildfires occur and
give warnings in time.
A．previousB．reliableC．reasonableD．responsible
B
考查詞意辨析。Previous以前的，reliable可靠的，reasonable合乎情理的，responsible負(fù)責(zé)的，句意：政府應(yīng)該開發(fā)一種可靠的系統(tǒng)來(lái)預(yù)測(cè)何時(shí)野外大火發(fā)生及時(shí)給與警告。故選B。
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